Coronaviruses are a group of viruses known for causing the common cold. They have a halo or crown-like (corona) appearance when viewed under an electron microscope. The common cold is an …

The common cold is an upper respiratory infection that affects your nose, throat, sinuses and windpipe. Colds usually go away on their own within a week to 10 days.

May 24, 2023 · In adults or children, a common cold that lasts a while can lead to swelling and pain in the sinuses. These are air-filled spaces in the skull above the eyes and around the nose.

7 hours ago · After exposure, cold symptoms usually start within one to three days, and last about a week. Learn more about how long cold symptoms last.

Aug 5, 2025 · The common cold and the flu may seem very similar at first. Here's what you need to know to correctly identify a cold and get the treatment you need.

5 days ago · Learn about the stages of a common cold, day by day, including the worst day of a common cold, why mucus gets thicker at the end, and what to expect by day five.

Oct 15, 2024 · Learn about the common cold, its causes and spread, signs and symptoms and ways to prevent it.

Dec 9, 2025 · Learn about the different types of colds, their symptoms, and how to manage each variation effectively. Stay informed and feel better fast.

May 6, 2025 · A cold begins when a virus attaches to the lining of your nose or throat. Your immune system -- the body's defense against germs -- sends out white blood cells to attack this invader.

Contrary to popular belief, cold weather or being chilled doesn't cause a cold. However, more colds do occur during the cold season (early fall to late winter).